Answer:
72112885110079700000000000000.00
Step-by-step explanation:
X(mean) = (600470170430300 + 23056 + 22123 + 21704 + 20365) / 5 = 120094034103510
n=5
S²(variance) = ((600470170430300-120094034103510)²+(23056-120094034103510)²+(22123-120094034103510)²*+(21704-120094034103510)²+(20365-120094034103510)²/(5-1)
S² = 72112885110079700000000000000.00
The 15% tip would be 50*0.15=$7.5
I must assume that you meant 10(N + 3). Let's not mix { with ).
10(N + 3) is as simple as this expression gets. You could, however, re-write it as 10N + 30.
